ATAR Clock Winding Key Brass ~ Even Sizes 2 4 6 8 10 & Odd Sizes 3 5 7 9 ATL15. 100% New and Best Quality New 5 Prong Universal Brass Clock Winding Key. 2 pcs sold together - EVEN AND ODD NUMBERS. Odd sizes are: 3mm 1/8 in (3), 3.5mm 9/64 in (5), 4mm 5/32 in (7), 4.5mm (9), and 5mm 13/64 in (11).
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